CN100354149C - Radar monitoring displaying alarming system of automobile tyre pressure, back car - Google Patents
Radar monitoring displaying alarming system of automobile tyre pressure, back car Download PDFInfo
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- CN100354149C CN100354149C CNB2004100407809A CN200410040780A CN100354149C CN 100354149 C CN100354149 C CN 100354149C CN B2004100407809 A CNB2004100407809 A CN B2004100407809A CN 200410040780 A CN200410040780 A CN 200410040780A CN 100354149 C CN100354149 C CN 100354149C
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Abstract
The present invention relates to a radar monitoring displaying alarming system of automobile tyre pressure, back car. The present invention comprises two tyre pressure sensing emitters (38), and is characterized in that the present invention also comprises a radar monitoring emitter (39) of back car and a radar signal receiving and displaying annunciator (37) of tyre pressure, back car, the radar monitoring emitter (39) of back car and the radar signal receiving and displaying annunciator (37) of tyre pressure, back car keep in touch in a way of radio transmission. The present invention has the advantages that the radar monitoring emitter (39) of back car and the tyre pressure sensing emitter (38) use one receiving and displaying annunciator, the quantity of meters is decreased, installation and use are convenient, cost is low, anti-interference ability is high, signal transmission is reliable and exact, function is comprehensive, and the present invention can prompt the driver to take emergency measures in time in the way of sound and light, data and a false spar, and decrease traffic accidents.
Description
Technical field
The present invention relates to automotive operation monitoring read out instrument, be specifically related to automotive tire pressure, Reverse Sensor monitoring display alarm system.
Background technology
Automobile is the modern important vehicle, becomes one of principal facility of family already at developed country's automobile, developing country in recent years automobile begun progressively to enter family.Along with the expansion of automobile field of application and progressively increasing of quantity, the formation of freeway net also improves day by day to the reliability of automobile, the requirement of safety.The country that has makes laws, put teeth in air pressure of automobile tire monitoring (TPMS) in recent years, guarantees traffic safety.So people utilize the achievement of modern science and technology, developed multiple device and the device that is used to improve vehicle safety, as Reverse Sensor, tire pressure sensing, or the like, by reception, read out instrument signal is offered navigating mate, the accident that in time prevents takes place.Be called " remote tyre pressure monitoring system " as the disclosed name of CN1310674A, the name of CN2507707Y bulletin is called " reverse sensor range monitor unit ", they all are that a cover is independently monitored display system, tire pressure monitoring system can only be monitored the pressure data of tire, the reverse sensor range monitor unit can only single monitoring automobile apart from the distance of obstacle, therefore, in the prior art, should observe the pressure data of tire as chaufeur and when moveing backward, observe the distance of automobile again apart from obstacle, just must install two and receive telltale, and existing tire pressure display system once can only show the pressure data of a tire, if need to observe the pressure data of other tires, necessary manual switch, increased the personnel's that drive burden, go wrong easily, and transmit and receive between the telltale is wire transmission, install and use inconvenience, work when the reverse sensor range monitor unit has only reversing in addition, do not work during driving, work-hours seldom, most of times are set separately, and to be in the read out instrument of idle state very uneconomical.
Summary of the invention
Purpose of the present invention provides a kind of automotive tire pressure, Reverse Sensor monitoring display alarm system, this system can be monitored the pressure and temperature of motor tire, can when reversing automobile, monitor again distance near obstacle, the both simultaneously air pressure of each tire of display automobile and the high low degree and the exact numerical values recited of temperature, again can display automobile near the definite numerical value of obstacle distance, and can when emergency, send the sound and light alarm signal.
The described automotive tire pressure of patent of the present invention, Reverse Sensor monitoring display alarm system, comprise at least two tire pressure sensing transmitters, it is characterized in that, this system comprises that also a Reverse Sensor monitoring projector and tire pressure, a Reverse Sensor signal receive display alarm, keep in touch by the wireless radio transmission mode between them;
Described tire pressure sensing transmitter is installed in the motor tire, receives the pressure and temperature data-signal of display alarm emission tire to tire pressure, Reverse Sensor signal;
Described Reverse Sensor monitoring projector is installed in the automobile, when reversing, receives the range signal of display alarm emission automobile near obstacle to tire pressure, Reverse Sensor signal;
Described tire pressure, Reverse Sensor signal receive display alarm and are installed in the operator's compartment, when running car, receive the pressure and temperature data-signal of the tire of tire pressure sensing transmitter emission, when reversing, receive the range signal of the automobile of Reverse Sensor monitoring projector emission simultaneously near obstacle.
Automotive tire pressure of the present invention, Reverse Sensor monitoring display alarm system, its tire pressure, Reverse Sensor signal receive display alarm, comprise box body, be located at the display window above the box body, are provided with on the circuit card in box body:
Radio-frequency (RF) receiving circuit, its input end connects with receiving wire, its mouth is connected with the input end of first microcontroller circuit, the radiofrequency signal demodulation of tire pressure sensing transmitter that radio-frequency (RF) receiving circuit is received receiving wire or the emission of Reverse Sensor monitoring projector, amplify after, obtain code signal, and import the decoding of first microcontroller circuit;
First microcontroller circuit, its first mouth links to each other with the input end of LCD driving circuit, and signal is the multiple transmission mode;
The LCD driving circuit, its mouth connects with LCD display, buzzer phone respectively, and described LCD driving circuit drives the LCD display that connects with it according to the code displaying data of first microcontroller circuit that receives; Audible alarm order according to first microcontroller circuit output that receives drives the buzzer phone that connects with it;
Power circuit, its input end connects with vehicle-mounted accumulator jar, mouth connects with above electrical part; Power circuit is the operating voltage that above electrical part needs with the voltage transitions of automobile accumulator jar.
Automotive tire pressure of the present invention, Reverse Sensor monitoring display alarm system, the control end that its tire pressure, Reverse Sensor signal receive first microcontroller circuit of display alarm also connects a mode switch and select switch.
Automotive tire pressure of the present invention, Reverse Sensor monitoring display alarm system, second mouth that its tire pressure, Reverse Sensor signal receive first microcontroller circuit of display alarm also links to each other with the input end of backlight drive circuit, and the mouth of backlight drive circuit links to each other with the LCD backlight; Backlight drive circuit drives the LCD backlight according to the signal of first microcontroller circuit output; When the LCD backlight is luminous, can strengthen the readability that LCD shows, LCD also can well be observed under the very weak condition of light.
Described first microcontroller circuit comprises a micro controller system, and model is a PIC16F series, and its effect is, with the tire pressure sensing transmitter that receives or the code signal demodulation of Reverse Sensor monitoring projector; The respectively pressure of treatment wheel tire pressure sensing transmitter emission, temperature data or the emission of Reverse Sensor monitoring projector near the obstacle distance data; These data are made code displaying, again the code displaying data transmission is arrived the LCD driving circuit; The backlight luminescence status signal is outputed to backlight drive circuit; When reaching the thresholding of warning when air pressure and temperature and near the distance of obstacle, with audible alarm order and display alarm data transmission to the LCD display driver circuit; By clicking mode switch or select switch, can make the reception display alarm be in various states, as IC learning state, air pressure threshold value state, show state are set.Before the use, earlier tire is done location recognition study and Reverse Sensor is made identification learning, to strengthen anti-jamming capacity.
Described automotive tire pressure, Reverse Sensor monitoring display alarm system, the radio-frequency (RF) receiving circuit that its tire pressure, Reverse Sensor signal receive display alarm comprises a radio frequency receiving integrate circuit, model is T5744.
Automotive tire pressure of the present invention, Reverse Sensor monitoring display alarm system, the LCD display of its tire pressure, Reverse Sensor signal reception display alarm is corresponding with the display window on being located at box body, is provided with tire location warning indicator lamp and gas leakage indicator lamp on LCD display, shows digital section and data area show bar.
When automobile to overtake the time, the tire location warning indicator lamp and gas leakage indicator lamp indicate respectively automobile all around tire be in abnormal condition, show the digital section display automobile barometric information of tire all around, data area show bar difference display automobile is the range of temperatures of tire all around.When reversing automobile, display automobile rear portion right and left is near the distance of obstacle respectively for the demonstration number section on function indication frame the right, and the data area show bar difference display automobile rear portion right and left on function indication frame the right is near the general situation of obstacle.
Automotive tire pressure of the present invention, Reverse Sensor monitoring display alarm system, its tire pressure sensing transmitter comprises housing, battery, is provided with on the circuit card in housing:
Pressure sensor circuit, its input end links to each other with first mouth of second microcontroller circuit; Its mouth links to each other with the input end of second microcontroller circuit, and the data transmission between the pressure sensor circuit and second microcontroller circuit is the multichannel bidirectional transmission; Described pressure sensor circuit also sends the tire pressure of collection and temperature data, sends wake-up signal to second microcontroller circuit simultaneously to second microcontroller circuit, and receives the command signal that second microcontroller circuit sends;
Second microcontroller circuit, its second mouth is connected with the input end of the first radio-frequency transmissions circuit; Second microcontroller circuit is started working after receiving the wake-up signal that pressure sensor circuit sends, read the pressure data and the temperature data of the tire that pressure sensor circuit sends, with pressure and temperature data handing, coding, and to the pressure sensor circuit signal of giving an order; Pressure data and temperature data behind the coding are outputed to the first radio-frequency transmissions circuit;
The first radio-frequency transmissions circuit, its mouth is connected with first emitting antenna, the coded data that the first radio-frequency transmissions circuit sends second microcontroller circuit is done radio-frequency modulations, amplification, signal after the modulation is delivered to first emitting antenna, be transmitted to tire pressure, Reverse Sensor signal reception display alarm;
Battery links to each other with above electrical part.
Described automotive tire pressure, Reverse Sensor monitoring display alarm system, the pressure sensor device circuit of its tire pressure sensing transmitter is provided with a sensor chip, and model is SP12.
Described automotive tire pressure, Reverse Sensor monitoring display alarm system, second microcontroller circuit of its tire pressure sensing transmitter comprises a monolithic, model is a PIC16F series.
Described automotive tire pressure, Reverse Sensor monitoring display alarm system, its Reverse Sensor monitoring projector comprises shell, circuit card in the enclosure is provided with:
The 3rd microcontroller circuit, the mouth of its input end and amplification filtering detecting circuit links, and its mouth selects the control end, the 24 of 1 multi-way switch circuit to select the control end of 1 multi-way switch circuit to link to each other with the input end, the 1 of the second radio-frequency transmissions circuit respectively; The 3rd microcontroller circuit receives the signal of amplification filtering detecting circuit, by comparing, calculate the minor increment of obstacle and automobile; Produce the ID heading code, will output to the second radio-frequency transmissions circuit behind ID sign indicating number and the minimum data coding; The 3rd microcontroller circuit produces ultrasonic signal, control the 24 according to the measurement needs and select 1 multi-way switch circuit, the ultrasonic emitting signal is transferred to the ultrasonic emitting driving circuit respectively successively, can controls the 1 according to the measurement needs again and select 1 multi-way switch circuit that the super sonic received signal is transferred to the amplification filtering detecting circuit;
The amplification filtering detecting circuit, its input end and the 1 selects the mouth of multi-way switch circuit to link to each other; And by the one 4 signal that selects multi-way switch circuit reception ultrasonic probe to send, and with the signal amplification of receiving, filtering interfering, and do envelope detection;
The second radio-frequency transmissions circuit, its mouth links to each other with second emitting antenna, the code signal that the 3rd microcontroller circuit that the second radio-frequency transmissions circuit will receive sends amplifies, and receives display alarm for tire pressure, Reverse Sensor signal by second transmission antennas transmit;
The one 4 selects 1 multi-way switch circuit, and its input end links to each other with ultrasonic probe, and it is according to the order of the 3rd microcontroller circuit, and the signal that ultrasonic probe is received is delivered to the input end of amplification filtering detecting circuit successively;
The 24 selects 1 multi-way switch circuit, and its mouth links to each other with the input end of ultrasonic emitting driving circuit, and according to the order of the 3rd microcontroller circuit, the ultrasonic signal that the 3rd microcontroller circuit is exported is sent to each ultrasonic emitting driving circuit respectively successively;
The ultrasonic emitting driving circuit, be two to four groups of identical circuit, its mouth is connected with ultrasonic probe, and it selects 1 multi-way switch circuit to receive the ultrasonic signal that the 3rd microcontroller circuit sends by the 24, and, drive ultrasonic probe simultaneously and send signal this signal amplification;
The second source circuit, the external automobile accumulator jar links to each other with above electrical part, for it provides operating voltage.
Described automotive tire pressure, Reverse Sensor monitoring display alarm system, the input end of the second source circuit of its Reverse Sensor monitoring projector links to each other with vehicle-mounted accumulator jar by reversing switch.
Described automotive tire pressure, Reverse Sensor monitoring display alarm system, the 3rd microcontroller circuit of its Reverse Sensor monitoring projector comprises a micro controller system, model is a PIC16F series.
Described automotive tire pressure, Reverse Sensor monitoring display alarm system is characterized in that the 1 of Reverse Sensor monitoring projector selects 1 multi-way switch circuit and the 1 to select the shared integrated package of 1 multi-way switch circuit, and model is a CD40 series.
The present invention compares with prior art and has the following advantages: shared one of Reverse Sensor monitoring projector and tire pressure sensing transmitter receive display alarm, receive display alarm and can receive the radiofrequency signal that processing tire pressure monitor projector sends, can receive again and handle the radiofrequency signal that Reverse Sensor monitor projector sends, reduced the quantity of instrument, reduced cost, installation, easy to use; Receive the complete function of display alarm, can show the height situation of each tire pressure and the height and the tire flat situation of definite data, tire working temperature simultaneously, again can display automobile near the general situation and the definite data of obstacle, and can point out navigating mate in time with the form of acousto-optic, data, simulation bar; System's antijamming capability is strong, and the signal transmission is reliably accurate.
Description of drawings
Fig. 1 is the external form scheme drawing that tire pressure, Reverse Sensor signal receive display alarm.
Fig. 2 is the circuit block diagram that tire pressure, Reverse Sensor signal receive display alarm.
Fig. 3 is the circuit diagram that tire pressure, Reverse Sensor signal receive display alarm.
Fig. 4 is the program flow chart of special software of first microcontroller circuit of packing into.
Fig. 5 is the composition block diagram of tire pressure sensing transmitter.
Fig. 6 is the circuit diagram of tire pressure sensing transmitter.
Fig. 7 is the program flow chart of special software of second microcontroller circuit of packing into.
Fig. 8 is the composition block diagram of Reverse Sensor monitoring projector.
Fig. 9 is the circuit diagram of Reverse Sensor monitoring projector.
Figure 10 is the program flow chart of special software of the 3rd microcontroller circuit of packing into.
Figure 11 is that tire pressure, Reverse Sensor prison display and testing device warning are installed in the scheme drawing on the automobile.
The specific embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, first microcontroller circuit 5, radio-frequency (RF) receiving circuit 6 and receiving wire 7, LCD driving circuit 8, LCD display 9, buzzer phone 10, backlight drive circuit 11, LCD backlight 12, power circuit I3 are installed on the circuit card; The input end of radio-frequency (RF) receiving circuit 6 is connected with receiving wire 7, and its mouth is connected with the input end of first microcontroller circuit 5, and first mouth of first microcontroller circuit 5 links to each other with the input end of LCD driving circuit 8; The mouth of LCD driving circuit 8 connects with LCD display 9, buzzer phone 10 respectively; Second mouth of first microcontroller circuit 5 also links to each other with the input end of backlight drive circuit 11, and the mouth of backlight drive circuit 11 links to each other with LCD backlight 12; The control end of first microcontroller circuit 5 also connects a mode switch 3 and select switch 4, and the input end of power circuit 13 connects with vehicle-mounted accumulator jar 34, mouth connects with above electrical part; Then, circuit card is located by connecting in the box body 1, display window 2 above LCD display 9 and the box body 1 is corresponding, and tire location warning indicator lamp 14 and gas leakage indicator lamp 15 are set on LCD display 9, show that digital section 16 and data area show bar 17 promptly constitute tire pressure, the Reverse Sensor signal receives display alarm and shows device 37.The micro controller system of in first microcontroller circuit 5, packing into, model is a PIC16F series, and uses the specific program software control, its program flow chart is referring to Fig. 4;
Referring to Fig. 5 and Fig. 6, with battery 19, pressure sensor circuit 20, second microcontroller circuit 21, the first radio-frequency transmissions circuit 22 and first emitting antenna 23 are installed on the circuit card, and the input end of pressure sensor circuit 20 is linked to each other with first mouth of second microcontroller circuit 21, pressure sensor circuit 20 mouths link to each other with an input end of second microcontroller circuit 21, second mouth of second microcontroller circuit 21 links to each other with the input end of the first radio-frequency transmissions circuit 22, the mouth of the first radio-frequency transmissions circuit 22 is connected with first emitting antenna 23, and battery 19 connects with above-mentioned electrical part; Then, circuit card is connected in the housing 18, promptly constitutes tire pressure sensing transmitter 38.And the micro controller system of in second microcontroller circuit 21, packing into, model is a PIC16F series; And use the specific program software control, its program flow chart is referring to Fig. 7.
Referring to Fig. 8 and Fig. 9, select 1 multi-way switch circuit 29, ultrasonic emitting driving circuit the 30, the 1 to select 1 multi-way switch circuit 28, amplification filtering detecting circuit 26, second source circuit 33 to be installed on the circuit card the 3rd microcontroller circuit 25, the second radio-frequency transmissions circuit 27 and second emitting antenna the 31, the 24; And the input end of the 3rd microcontroller circuit 25 and the mouth of amplification filtering detecting circuit 26 are linked, the mouth of the 3rd microcontroller circuit 25 selects the control end, the 24 of 1 multi-way switch circuit 28 to select the control end of 1 multi-way switch circuit 29 to link to each other with the input end, the 1 of the second radio-frequency transmissions circuit 27 respectively; The input end and the 1 of amplification filtering detecting circuit 26 selects the mouth of multi-way switch circuit 28 to link to each other; The mouth of the second radio-frequency transmissions circuit 27 links to each other with second emitting antenna 31, the one 4 selects the input end of 1 multi-way switch circuit 28 to link to each other with ultrasonic probe 32, the 24 selects the mouth of 1 multi-way switch circuit 29 to link to each other with the input end of ultrasonic emitting driving circuit 30, ultrasonic emitting driving circuit 30, be two to four groups of identical circuit, its mouth is connected with ultrasonic probe 32, the mouth of second source circuit 33 links to each other with above electrical part, the input end of second source circuit 33 links to each other with vehicle-mounted accumulator jar 34 by reversing switch 35, then, circuit card is connected in the shell 24, promptly constitutes Reverse Sensor monitoring projector 39.Wherein the one 4 select 1 multi-way switch circuit the 28 and the 24 to select 1 multi-way switch circuit, 29 shared integrated packages, model is a CD40 series, and the micro controller system of packing in the 3rd microcontroller circuit 25, and model is a PIC16F series, and use the specific program software control, program flow chart is referring to Figure 10.
Referring to Figure 11, tire pressure, Reverse Sensor signal are received display alarm 37, and to be installed in vehicle drive indoor, and power circuit I3 is connected with automobile accumulator jar 34; Four tire pressure sensing transmitters 38 are installed in respectively on the tire of automobile four wheels all around, receive display alarm 37 maintenance wireless links with the tire pressure, the Reverse Sensor signal that are installed in the operator's compartment; Reverse Sensor is monitored projector 39 install in the automobile 36, be installed on the bumper/spoiler of automobile 36 afterbodys with 4 ultrasonic probes 32 of its shell 24 bonded assemblys, second source circuit 33 is in parallel with the reversing automobile circuit for lamp, and connects with automobile accumulator jar 34; Reverse Sensor monitoring projector 39 receives display alarm 37 maintenance wireless links with the tire pressure, the Reverse Sensor signal that are installed in the operator's compartment;
After an automobile 36 is installed above-described automotive tire pressure, Reverse Sensor monitoring display alarm system, both can monitor the pressure and temperature of motor tire, again can be when reversing automobile, the monitoring automobile is near the distance of obstacle; Can receive treatment wheel tire pressure sensing transmitter 38 emitted radio signal, can receive again and handle Reverse Sensor monitoring projector 39 emitted radio signal, the air pressure that can the display automobile tire and the high low degree and the exact numerical values recited of temperature, the definite numerical value that can show approaching orientation of automobile and obstacle and distance again, and can when emergency, send the sound and light alarm signal.
Automobile is to overtake the time, and the backing-up lamp circuit is in off-state, and the second source circuit of the Reverse Sensor monitoring projector 39 in parallel with it also is in off-state, so Reverse Sensor monitoring projector 39 is not worked.Four tire pressure sensing transmitters 38 that are installed on automobile four wheels all around are in running order, and pressure sensor circuit 20 is gathered the air pressure and the temperature signal of tire, sends wake-up signal to second microcontroller circuit 21; Second microcontroller circuit 21 is started working after receiving the wake-up signal that pressure sensor circuit 20 sends, read the pressure and temperature signal that pressure sensor circuit 20 sends, and after the pressure and temperature data are handled coding, deliver to the first radio-frequency transmissions circuit 22 and make radio-frequency modulations, receive the display emission signal through first emitting antenna 23 to tire pressure, Reverse Sensor signal then; Tire pressure, after the receiving wire 7 of Reverse Sensor signal reception telltale is received radiofrequency signal, after radio-frequency (RF) receiving circuit 6 demodulation are amplified, obtain code signal and import first microcontroller circuit 5, first microcontroller circuit 5 will be received the code signal demodulation of tire pressure sensing transmitter 38, pressure to 38 emissions of tire pressure sensing transmitter, temperature data is handled, the backlight luminescence status signal is outputed to backlight drive circuit 11, it is luminous to drive backlight 12, to LCD driving circuit 8, LCD driving circuit 8 drives LCD display of tyre air pressure with the code displaying data transmission, tyre temperature; When air pressure and temperature reached the setting value of warning, to LCD driving circuit 8, LCD driving circuit 8 drove buzzer phones 10 and reports to the police with audible alarm and display alarm data transmission; And tire location warning indicator lamp on LCD display 9 14 and gas leakage indicator lamp 15, showing that digital section 16 and data area show bar 17 show, navigating mate can carry out emergency handling.
When reversing automobile, the backing-up lamp circuit is connected, the second source circuit 33 of the Reverse Sensor monitoring projector 39 in parallel with it is also connected, Reverse Sensor monitoring projector 39 is promptly started working, send ultrasonic signal by the 3rd microcontroller circuit 25, select 1 multi-way switch circuit 29 that ultrasonic signal is transferred to ultrasonic emitting driving circuit 30 respectively successively through the 24, ultrasonic emitting driving circuit 30 is amplified after receiving ultrasonic signal, be transferred to ultrasonic probe 32 emission ultrasonic signals, and receive the ultrasonic signal that returns; The ultrasonic signal that returns selects 1 multi-way switch circuit 28 to be transferred to amplification filtering detecting circuit 26 through the 1; Amplification filtering detecter 26 amplifies the signal that ultrasonic probe 32 sends, filtering interfering, and do to be transferred to the 3rd microcontroller circuit 25 after the envelope detection; After the 3rd microcontroller circuit 25 receives the echoed signal of amplification filtering detecter 26, by echoed signal with the time-delay between transmitting, calculate the distance of automobile,, be transferred to the second radio-frequency transmissions circuit 27 behind the coding through relatively obtaining minimum obstacle distance data near obstacle; The second radio-frequency transmissions circuit 27 receives the code signal modulation back of the 3rd microcontroller circuit 25 display alarm 37 and transmits to tire pressure, Reverse Sensor signal by second emitting antenna 31; After the receiving wire 7 of tire pressure, Reverse Sensor signal reception display alarm 37 is received radiofrequency signal, input first microcontroller circuit 5 after radio-frequency (RF) receiving circuit 6 demodulation are amplified, the preferential Reverse Sensor signal that shows, digital display segment 16 on the LCD display 9 promptly demonstrates the range data of automobile and obstacle, the degree of closeness of data area show bar 17 luminous display automobiles and obstacle, buzzer phone 10 sends the prompting sound of interruption simultaneously, and navigating mate can carry out emergency handling.
Claims (10)
1, a kind of automotive tire pressure, Reverse Sensor monitoring display alarm system, comprise at least two tire pressure sensing transmitters (38), it is characterized in that, this system comprises that also a Reverse Sensor monitoring projector (39) and tire pressure, a Reverse Sensor signal receive display alarm (37), keep in touch by the wireless radio transmission mode between them;
Described tire pressure sensing transmitter (38) is installed in the motor tire, receives the pressure and temperature data-signal of display alarm (37) emission tire to tire pressure, Reverse Sensor signal;
Described Reverse Sensor monitoring projector (39) is installed in the automobile, when reversing, receives the range signal of display alarm (37) emission automobile near obstacle to tire pressure, Reverse Sensor signal;
Described tire pressure, Reverse Sensor signal receive display alarm (37) and are installed in the operator's compartment, when running car, receive the pressure and temperature data-signal of the tire of tire pressure sensing transmitter (38) emission, when reversing, receive the range signal of the automobile of Reverse Sensor monitoring projector (39) emission simultaneously near obstacle.
2, automotive tire pressure according to claim 1, Reverse Sensor monitoring display alarm system, it is characterized in that, described tire pressure, Reverse Sensor signal receive display alarm (37) and comprise box body (1), are located at the display window (2) above the box body, are provided with on the circuit card in box body:
Radio-frequency (RF) receiving circuit (6), its input end connects with receiving wire (7), and its mouth is connected with the input end of first microcontroller circuit (5); The radiofrequency signal demodulation of tire pressure sensing transmitter (38) that radio-frequency (RF) receiving circuit (6) is received receiving wire (7) or Reverse Sensor monitoring projector (39) emission, amplify after, obtain code signal and import first microcontroller circuit (5) decoding;
First microcontroller circuit (5), its first mouth links to each other with the input end of LCD driving circuit (8); Signal is the multiple transmission mode;
LCD driving circuit (8), its mouth connect with LCD display (9), buzzer phone (10) respectively; Described LCD driving circuit (8) drives the LCD display (9) that connects with it according to the code displaying data of first microcontroller circuit (5) that receives; Audible alarm order according to first microcontroller circuit output that receives drives the buzzer phone (10) that connects with it;
Power circuit (13), its input end connects with vehicle-mounted accumulator jar (34), mouth connects with above electrical part.
3, automotive tire pressure according to claim 2, Reverse Sensor monitoring display alarm system, it is characterized in that the control end that tire pressure, Reverse Sensor signal receive first microcontroller circuit (5) of display alarm (37) also connects a mode switch (3) and select switch (4).
4, according to claim 2 or 3 described automotive tire pressures, Reverse Sensor monitoring display alarm system, it is characterized in that, the LCD display (9) of tire pressure, Reverse Sensor signal reception display alarm (37) is corresponding with the display window (2) on being located at box body (1), is provided with tire location warning indicator lamp (14) and gas leakage indicator lamp (15) on LCD display (9), shows digital section (16) and data area show bar (17).
5, according to claim 2 or 3 described automotive tire pressures, Reverse Sensor monitoring display alarm system, it is characterized in that, second mouth that tire pressure, Reverse Sensor signal receive first microcontroller circuit (5) of display alarm (37) also links to each other with the input end of backlight drive circuit (11), and the mouth of backlight drive circuit (11) links to each other with LCD backlight (12); Backlight drive circuit drives the LCD backlight according to the signal of first microcontroller circuit (5) output; Strengthen the readability that LCD display shows.
6, automotive tire pressure according to claim 1, Reverse Sensor monitoring display alarm system is characterized in that tire pressure sensing transmitter (38) comprises housing (18), battery (19), is provided with on the circuit card in housing:
Pressure sensor circuit (20), its input end links to each other with first mouth of second microcontroller circuit (21), its mouth links to each other with the input end of second microcontroller circuit (21), data transmission between pressure sensor circuit (20) and second microcontroller circuit (21) is the multichannel bidirectional transmission, tire pressure and temperature data that described pressure sensor circuit (20) is gathered to second micro-control circuit (21) input, simultaneously send wake-up signal, and receive the command signal that second microcontroller circuit (21) sends to second microcontroller circuit (21);
Second microcontroller circuit (21), its second mouth links to each other with the input end of the first radio-frequency transmissions circuit (22), and the mouth of the first radio-frequency transmissions circuit (22) is connected with first emitting antenna (23); The first radio-frequency transmissions circuit (22) is made radio-frequency modulations with the coded data that second microcontroller circuit (21) sends, and the signal after the modulation is delivered to first emitting antenna (23), is transmitted to tire pressure, Reverse Sensor signal reception display alarm (37);
Battery (19) links to each other with above electrical part.
7, automotive tire pressure according to claim 1, Reverse Sensor monitoring display alarm system is characterized in that Reverse Sensor monitoring projector (39) comprises shell (24), and circuit card in the enclosure is provided with:
The 3rd microcontroller circuit (25), the mouth of its input end and amplification filtering detecting circuit (26) links, and its mouth selects the control end, the 24 of 1 multi-way switch circuit (28) to select the control end of 1 multi-way switch circuit (29) to link to each other with the input end, the 1 of the second radio-frequency transmissions circuit (27) respectively; The 3rd microcontroller circuit receives the signal of amplification filtering detecting circuit, by comparing, calculate the minor increment of obstacle and automobile, outputs to the second radio-frequency transmissions circuit (27) behind the coding; The 3rd microcontroller circuit produces ultrasonic signal, and controls the 24 and select 1 multi-way switch circuit, the 1 to select the mode of operation of 1 multi-way switch circuit;
Amplification filtering detecting circuit (26), its input end and the 1 select the mouth of 1 multi-way switch circuit (28) to link to each other; Described amplification filtering detecting circuit (26) selects 1 multi-way switch circuit (28) to receive the signal that super sonic (32) probe sends by the 1, and the signal of receiving is amplified, filtering interfering, and do envelope detection;
The second radio-frequency transmissions circuit (27), its mouth links to each other with second emitting antenna (31), and the second radio-frequency transmissions circuit (27) amplifies the code signal that receives, and by second emitting antenna (31) emission;
The one 4 selects 1 multi-way switch circuit (28), and its input end links to each other with ultrasonic probe (32), and it is according to the order of the 3rd microcontroller circuit, and the signal that ultrasonic probe is sent is delivered to the input end of amplification filtering detecting circuit (26) successively;
The 24 selects 1 multi-way switch circuit (29), its mouth links to each other with the input end of ultrasonic emitting driving circuit (30), according to the order of the 3rd microcontroller circuit (25), the ultrasonic signal that the 3rd microcontroller circuit is exported is sent to each ultrasonic emitting driving circuit (30) respectively successively;
Ultrasonic emitting driving circuit (30) is two to four groups of identical circuit, and its mouth is connected with ultrasonic probe (32), and it amplifies the ultrasonic signal that receives, and drives ultrasonic probe (32) simultaneously and sends signal;
Second source circuit (33), external automobile accumulator jar (34) links to each other with above electrical part, for it provides operating voltage.
8, automotive tire pressure according to claim 7, Reverse Sensor monitoring display alarm system, it is characterized in that the input end of the second source circuit (33) of Reverse Sensor monitoring projector (39) links to each other with vehicle-mounted accumulator jar (34) by reversing switch (35).
9, automotive tire pressure according to claim 7, Reverse Sensor monitoring display alarm system is characterized in that the 3rd microcontroller circuit (25) of Reverse Sensor monitoring projector (39) comprises a micro controller system, and model is a PIC16F series.
10, automotive tire pressure according to claim 7, Reverse Sensor monitoring display alarm system, it is characterized in that, the 1 of Reverse Sensor monitoring projector (39) selects 1 multi-way switch circuit (28) and the 24 to select the shared integrated package of 1 multi-way switch circuit (29), and model is a CD40 series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100407809A CN100354149C (en) | 2004-09-24 | 2004-09-24 | Radar monitoring displaying alarming system of automobile tyre pressure, back car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100407809A CN100354149C (en) | 2004-09-24 | 2004-09-24 | Radar monitoring displaying alarming system of automobile tyre pressure, back car |
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| Publication Number | Publication Date |
|---|---|
| CN1752770A CN1752770A (en) | 2006-03-29 |
| CN100354149C true CN100354149C (en) | 2007-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100407809A Expired - Fee Related CN100354149C (en) | 2004-09-24 | 2004-09-24 | Radar monitoring displaying alarming system of automobile tyre pressure, back car |
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| CN (1) | CN100354149C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107000597B (en) * | 2014-09-25 | 2020-07-10 | 大陆-特韦斯股份有限公司 | Localization of integration of charging coils in a distance sensor |
| CN109910528A (en) * | 2017-12-12 | 2019-06-21 | 杨永全 | A kind of device monitoring large-sized truck wheel fault |
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| CN1043475A (en) * | 1988-12-26 | 1990-07-04 | 王根友 | Monitoring device for tyre working state |
| CN1177319A (en) * | 1995-01-06 | 1998-03-25 | 埃弗里特H·夏普 | System and method and monitoring tire inflation pressure in vehicle tire and wheel assembly |
| GB2326007A (en) * | 1997-06-04 | 1998-12-09 | Ford Global Tech Inc | Vehicle tyre pressure monitoring system |
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| CN2507707Y (en) * | 2000-12-22 | 2002-08-28 | 徽昌工业股份有限公司 | Radar distance-finding monitor for backing car |
| EP1336513A1 (en) * | 2002-02-13 | 2003-08-20 | Robert Bosch Gmbh | Method and apparatus for monitoring the tire pressure |
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| US6784794B1 (en) * | 2002-08-07 | 2004-08-31 | Ford Global Technologies, Llc | Method and apparatus for reminding the vehicle operator to refill the spare tire in a tire pressure monitoring system |
| WO2004074013A2 (en) * | 2003-02-15 | 2004-09-02 | Advanced Digital Components, Inc. | Tire pressure monitoring system and method of using same |
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| CN1177319A (en) * | 1995-01-06 | 1998-03-25 | 埃弗里特H·夏普 | System and method and monitoring tire inflation pressure in vehicle tire and wheel assembly |
| GB2326007A (en) * | 1997-06-04 | 1998-12-09 | Ford Global Tech Inc | Vehicle tyre pressure monitoring system |
| CN1310674A (en) * | 1998-05-22 | 2001-08-29 | 机动车技术有限公司 | A remote tyre pressure monitoring system |
| CN2507707Y (en) * | 2000-12-22 | 2002-08-28 | 徽昌工业股份有限公司 | Radar distance-finding monitor for backing car |
| EP1336513A1 (en) * | 2002-02-13 | 2003-08-20 | Robert Bosch Gmbh | Method and apparatus for monitoring the tire pressure |
| US6784794B1 (en) * | 2002-08-07 | 2004-08-31 | Ford Global Technologies, Llc | Method and apparatus for reminding the vehicle operator to refill the spare tire in a tire pressure monitoring system |
| CN2589237Y (en) * | 2002-12-30 | 2003-12-03 | 王风华 | Motor vehicle tire automatic monitoring alarm |
| WO2004074013A2 (en) * | 2003-02-15 | 2004-09-02 | Advanced Digital Components, Inc. | Tire pressure monitoring system and method of using same |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN1752770A (en) | 2006-03-29 |
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